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Finding the Fourth Proportional to 354,723.04, 532,172.04 and 105,405.04

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Solution

The fourth proportional to 354,723.04, 532,172.04 and 105,405.04 is: 158,133.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,723.04 : 532,172.04 = 105,405.04 : x
  2. Step 2: Convert to fraction form
    354,723.04/532,172.04 = 105,405.04/x
  3. Step 3: Cross multiply
    354,723.04x = 532,172.04 × 105,405.04
  4. Step 4: Simplify right side
    354,723.04x = 56,093,615,163.08
  5. Step 5: Solve for x
    x = 56,093,615,163.08/354,723.04
  6. Step 6: Final answer
    x = 158,133.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.